Magmatic resurgence in Long Valley caldera, California: Possible cause of the 1980 Mammoth Lakes earthquakes

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Abstract

Changes in elevation between 1975 and October 1980 along a leveling line across the Long Valley caldera indicate a broad (half-width, 15 kilometers) uplift (maximum, 0.25 meter) centered on the old resurgent dome. This uplift is consistent with reinflation of a magma reservoir at a depth of about 10 kilometers. Stresses generated by this magmatic resurgence may have caused the sequence of four magnitude 6 earthquakes near Mammoth Lakes in May 1980. 

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Publication type Article
Publication Subtype Journal Article
Title Magmatic resurgence in Long Valley caldera, California: Possible cause of the 1980 Mammoth Lakes earthquakes
Series title Science
DOI 10.1126/science.217.4559.531
Volume 217
Issue 4559
Year Published 1982
Language English
Publisher American Association for the Advancement of Science
Description 3 p.
First page 531
Last page 533
Country United States
State California
Other Geospatial Long Valley caldera, Mammoth Lakes
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